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Fire and Water Resistant Expansion Joint System

US 8,365,495 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Feb 5, 2021 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Nov 20, 2009 as application 12/622,574 · Granted Feb 5, 2013
Base term, 20 years from filing, plus 336 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 5, 2021
2009 2030
Clock starts
Nov 20, 2009
No longer in force
Feb 5, 2021
Granted
Feb 5, 2013
Term would have run to
Oct 22, 2030
base term patent term adjustment after the term ends fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
336
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
30
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Oct 22, 2030: its 20-year base term plus 336 days of term adjustment for prosecution delay. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Nov 20, 2009, when this application, 12/622,574, was filedNov 20, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+336 days, USPTO patent term adjustment recordOct 22, 2030High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Feb 5, 2021High confidence
Computed term endThe steps above, in orderFeb 5, 2021High confidence

This family

US 8,365,495this patent
Feb 2021
Feb 2021
US 9,200,437In force
Feb 2030
Feb 2030
US 9,322,163Lapsed on the fee record
Apr 2024
Apr 2024
Application 61/729,040Provisional application
no patent term
no patent term
US 8,739,495Lapsed on the fee record
Jun 2022
Jun 2022
US 9,670,666Lapsed on the fee record
Jun 2025
Jun 2025
US 9,637,915Lapsed on the fee record
May 2025
May 2025
Application 61/806,194Provisional application
no patent term
no patent term
8 of 30 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Jan 29, 2010
Reel 23872, frame 946
Witherspoon, BillEmseal Joint Systems Ltd.Assignment of Assignor's Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited